deploy: extend login healthcheck to entergame

docs/healthchecks.md

@@ -30,6 +30,9 @@ The check performs the real two-step Metin login flow without a GUI client:
 7. Send `LOGIN2` with `login` + `login_key`.
 8. Verify `EMPIRE`.
 9. Verify `LOGIN_SUCCESS4`.
+10. Select a character slot.
+11. Send `ENTERGAME`.
+12. Verify `MAIN_CHARACTER`, `PHASE_GAME`, `TIME`, and `CHANNEL`.
 
 This is an end-to-end login verification, not just a TCP port check.
 
@@ -38,9 +41,11 @@ This is an end-to-end login verification, not just a TCP port check.
 `metin-login-healthcheck.sh` does the following:
 
 - creates a temporary account in MariaDB
+- lets `metin_login_smoke` create a temporary character when the account is empty
 - runs `metin_login_smoke`
-- verifies a successful auth + channel login
-- deletes the temporary account on exit
+- verifies a successful auth + channel + `ENTERGAME` flow
+- deletes the temporary account and temporary character rows on exit
+- passes the configured client version expected by the server
 
 It is intended for manual admin use on the VPS.
 
@@ -69,6 +74,16 @@ sudo -iu mt2.jakubkadlec.dev env METIN_LOGIN_SMOKE_PASSWORD='<password>' \
   173.249.9.66 11000 11011 <login> --password-env=METIN_LOGIN_SMOKE_PASSWORD
 ```
 
+If you want the smoke client to create a temporary character when the account is empty:
+
+```bash
+sudo -iu mt2.jakubkadlec.dev env METIN_LOGIN_SMOKE_PASSWORD='<password>' \
+  /home/mt2.jakubkadlec.dev/metin/build/server-src/bin/metin_login_smoke \
+  173.249.9.66 11000 11011 <login> --password-env=METIN_LOGIN_SMOKE_PASSWORD \
+  --create-character-name=smoketestchar \
+  --client-version=1215955205
+```
+
 ## Security Notes
 
 This does not open a new public network surface. It is a local operational tool.